| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a month | 86 |
46.2%
|
| 2 | Once in two months | 21 |
11.3%
|
| 3 | No fixed time/ As necessary | 71 |
38.2%
|
| 88 | Other (specify) | 5 |
2.7%
|
| 98 | Don?t know | 3 |
1.6%
|
| Sysmiss | 2 |